Fixing issue where migration all apps folder couldn't be picked up.

- Ensuring that we add items to the non-primary home page
- Fixing issue with drop-target touch handling on tablets

Change-Id: Iea5a383dc735a8f6044a00982f05789f8328ab63

src/com/android/launcher3/ButtonDropTarget.java

@@ -115,6 +115,10 @@ public class ButtonDropTarget extends TextView implements DropTarget, DragContro
     public void getHitRectRelativeToDragLayer(android.graphics.Rect outRect) {
         super.getHitRect(outRect);
         outRect.bottom += mBottomDragPadding;
+
+        int[] coords = new int[2];
+        mLauncher.getDragLayer().getDescendantCoordRelativeToSelf(this, coords);
+        outRect.offsetTo(coords[0], coords[1]);
     }
 
     private boolean isRtl() {